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ENVIR Page 13 ENVIR Page 14 March -DlI �020-03-0]ch Ol A59ESSMENT, PC Project Number 2020-0-03-011 ESSMENT, PC Project Numb activities will be continued until field parameters (pH, electrical conductivity, and temperature) • General Information have stabilized and purged water is visually sediment-free. • Drilling Details • Well Construction Details Equipment Decontamination/Waste Management All augers and sampling tools wed for sample collection will be thoroughly rinsed with clean water • Well Development: after being washed with a solution of Alconox.All down-hole drilling equipment will be pressure • Well Survey _ washed prior to starting each boring. Cuttings and rinseate generated during drilling will be dis- In addition,the results ofthe first sampling event will be included in this report. posed of at the site. 5. PROFESSIONAL SIGNATURE Monitoring Well Survey Shoup Land Surveying(Licensed Land Surveyor)or equivalently licensed surveyor will be con- Enviro Assessment has prepared this report to present our professional opinion as to the site tmcted with to survey the new monitoring wells(both vertical and horizontal). Vertical elevations characteristics that affect the proposed changes to the Original Order. for the wells are in be surveyed at three points:(1)the top ofthe monitoring well vault:(2)the top of the well casing or surrounding port;and(3)the ground surface.Vertical elevations for the bor- [thus been a pleasure to be of service. Ifany questions arise,please contact our office. ings are to be surveyed at the ground surface.Elevations surveyed are to the nearest hundredth of Sincerely, a foot referenced to NAVD 88 datum.The horizontal locations of each well we the center points EN RfOAS ESSMENT,PC and are surveyed to the nearest tenth of a foot referenced in NAD 83 datum.A site plan showing certain site features including the monitoring wells,soil borings,etc.is also generated and included as part ofthe final report James D.Robimson46 Schedule for Completion of Work RE 69045,C.E.G.2441,P.G.7834 r �� r T MonitoringWell Drilling is anticipated to occur 3 weeks after notice of the work Ian approval. g � Pa P PP a'o.C6 6 ✓ - C-PTIF ;1 7r The development will occur at least 48 hours after completion ofthe monitoring wells. The first �.">r Ice =q;N:�,r t.^ Exp O EOL GiSr �. `0 `J sampling would occur one week later. The expected drilling would occur in April or May,2020 `�FC ,F" gTFop�l with the first sampling in May 2020. 4. MONITORING WELL INSTALLATION REPORT A Monitoring Well Installation Report and Report of Groundwater Sampling Analysis will be produced after the completion of the monitoring wells and the first sampling event. The report will include the following topics in detail: aTNIROAa8ES5N.GNI,PC ENVIRONMENTAL ENOMER510 OEOLWY ENVIROA886sSM1@N'r.PC ENVLCONMENIAL ENGWEERINn GEOLOGY COaP.PoaO%1154,➢ONNF]iS FERItY.ID8J805 PHONa(844))42-Y511 FA%(Bl1)6ll3493 CORP:FOBXX1154.BONNERSFERRY,m83805 MOM044)7451311 1AX(9TI)6n.U93